package com.dongline.test.simple;

import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Reducer;

import java.io.IOException;

public class WordCountReducer extends Reducer<Text, IntWritable,Text, IntWritable> {

    @Override
    protected void reduce(Text key, Iterable<IntWritable> values, Context context) throws IOException, InterruptedException {
        int count=0;
        while (values.iterator().hasNext())
        {
            IntWritable i= values.iterator().next();
            count=count+i.get();
        }
        context.write(key,new IntWritable(count));
    }
}
